﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//Please add references
namespace XueMeng.DAL
{
	/// <summary>
	/// 数据访问类:TaskService
	/// </summary>
	public partial class TaskService
	{
		public TaskService()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("T_Id", "Task"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int T_Id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from Task");
			strSql.Append(" where T_Id=@T_Id");
			SqlParameter[] parameters = {
					new SqlParameter("@T_Id", SqlDbType.Int,4)
			};
			parameters[0].Value = T_Id;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(XueMeng.Model.Task model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into Task(");
			strSql.Append("T_Name,S_Id,Fraction_Sta,Fraction_Sto,X_Id,T_Date,Enable)");
			strSql.Append(" values (");
			strSql.Append("@T_Name,@S_Id,@Fraction_Sta,@Fraction_Sto,@X_Id,@T_Date,@Enable)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@T_Name", SqlDbType.NVarChar,50),
					new SqlParameter("@S_Id", SqlDbType.Int,4),
					new SqlParameter("@Fraction_Sta", SqlDbType.Int,4),
					new SqlParameter("@Fraction_Sto", SqlDbType.Int,4),
					new SqlParameter("@X_Id", SqlDbType.Int,4),
					new SqlParameter("@T_Date", SqlDbType.DateTime),
					new SqlParameter("@Enable", SqlDbType.Int,4)};
			parameters[0].Value = model.T_Name;
			parameters[1].Value = model.S_Id;
			parameters[2].Value = model.Fraction_Sta;
			parameters[3].Value = model.Fraction_Sto;
			parameters[4].Value = model.X_Id;
			parameters[5].Value = model.T_Date;
			parameters[6].Value = model.Enable;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(XueMeng.Model.Task model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update Task set ");
			strSql.Append("T_Name=@T_Name,");
			strSql.Append("S_Id=@S_Id,");
			strSql.Append("Fraction_Sta=@Fraction_Sta,");
			strSql.Append("Fraction_Sto=@Fraction_Sto,");
			strSql.Append("X_Id=@X_Id,");
			strSql.Append("T_Date=@T_Date,");
			strSql.Append("Enable=@Enable");
			strSql.Append(" where T_Id=@T_Id");
			SqlParameter[] parameters = {
					new SqlParameter("@T_Name", SqlDbType.NVarChar,50),
					new SqlParameter("@S_Id", SqlDbType.Int,4),
					new SqlParameter("@Fraction_Sta", SqlDbType.Int,4),
					new SqlParameter("@Fraction_Sto", SqlDbType.Int,4),
					new SqlParameter("@X_Id", SqlDbType.Int,4),
					new SqlParameter("@T_Date", SqlDbType.DateTime),
					new SqlParameter("@Enable", SqlDbType.Int,4),
					new SqlParameter("@T_Id", SqlDbType.Int,4)};
			parameters[0].Value = model.T_Name;
			parameters[1].Value = model.S_Id;
			parameters[2].Value = model.Fraction_Sta;
			parameters[3].Value = model.Fraction_Sto;
			parameters[4].Value = model.X_Id;
			parameters[5].Value = model.T_Date;
			parameters[6].Value = model.Enable;
			parameters[7].Value = model.T_Id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int T_Id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Task ");
			strSql.Append(" where T_Id=@T_Id");
			SqlParameter[] parameters = {
					new SqlParameter("@T_Id", SqlDbType.Int,4)
			};
			parameters[0].Value = T_Id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string T_Idlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Task ");
			strSql.Append(" where T_Id in ("+T_Idlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public XueMeng.Model.Task GetModel(int T_Id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 T_Id,T_Name,S_Id,Fraction_Sta,Fraction_Sto,X_Id,T_Date,Enable from Task ");
			strSql.Append(" where T_Id=@T_Id");
			SqlParameter[] parameters = {
					new SqlParameter("@T_Id", SqlDbType.Int,4)
			};
			parameters[0].Value = T_Id;

			XueMeng.Model.Task model=new XueMeng.Model.Task();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				if(ds.Tables[0].Rows[0]["T_Id"]!=null && ds.Tables[0].Rows[0]["T_Id"].ToString()!="")
				{
					model.T_Id=int.Parse(ds.Tables[0].Rows[0]["T_Id"].ToString());
				}
				if(ds.Tables[0].Rows[0]["T_Name"]!=null && ds.Tables[0].Rows[0]["T_Name"].ToString()!="")
				{
					model.T_Name=ds.Tables[0].Rows[0]["T_Name"].ToString();
				}
				if(ds.Tables[0].Rows[0]["S_Id"]!=null && ds.Tables[0].Rows[0]["S_Id"].ToString()!="")
				{
					model.S_Id=int.Parse(ds.Tables[0].Rows[0]["S_Id"].ToString());
				}
				if(ds.Tables[0].Rows[0]["Fraction_Sta"]!=null && ds.Tables[0].Rows[0]["Fraction_Sta"].ToString()!="")
				{
					model.Fraction_Sta=int.Parse(ds.Tables[0].Rows[0]["Fraction_Sta"].ToString());
				}
				if(ds.Tables[0].Rows[0]["Fraction_Sto"]!=null && ds.Tables[0].Rows[0]["Fraction_Sto"].ToString()!="")
				{
					model.Fraction_Sto=int.Parse(ds.Tables[0].Rows[0]["Fraction_Sto"].ToString());
				}
				if(ds.Tables[0].Rows[0]["X_Id"]!=null && ds.Tables[0].Rows[0]["X_Id"].ToString()!="")
				{
					model.X_Id=int.Parse(ds.Tables[0].Rows[0]["X_Id"].ToString());
				}
				if(ds.Tables[0].Rows[0]["T_Date"]!=null && ds.Tables[0].Rows[0]["T_Date"].ToString()!="")
				{
					model.T_Date=DateTime.Parse(ds.Tables[0].Rows[0]["T_Date"].ToString());
				}
				if(ds.Tables[0].Rows[0]["Enable"]!=null && ds.Tables[0].Rows[0]["Enable"].ToString()!="")
				{
					model.Enable=int.Parse(ds.Tables[0].Rows[0]["Enable"].ToString());
				}
				return model;
			}
			else
			{
				return null;
			}
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select T_Id,T_Name,S_Id,Fraction_Sta,Fraction_Sto,X_Id,T_Date,Enable ");
			strSql.Append(" FROM Task ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" T_Id,T_Name,S_Id,Fraction_Sta,Fraction_Sto,X_Id,T_Date,Enable ");
			strSql.Append(" FROM Task ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM Task ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}

		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.T_Id desc");
			}
			strSql.Append(")AS Row, T.*  from Task T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "Task";
			parameters[1].Value = "T_Id";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  Method
	}
}

